Makita BCS550 18-Volt LXT Lithium-Ion Cordless 5-3/8-Inch Metal Cutting Saw Kit Makita-built motor delivers 3,600 RPM for faster cutting in a wide range of metals including Unistrut all thread, channel,conduit, pipe, sheet metal, square tubing, steel and more Compact, ergonomic design at 13-3/4"" long and weighs only 5.7 lbs. for reduced operator fatigue Built-in L.E.D. light illuminates the work area Makita LXT Lithium-Ion battery and 30-Minute Rapid Optimum Charger produces 430% total lifetime work Tool not equipped with Star Protection- only compatible with Makita 18V LXT 3.0Ah battery (BL1830) Makita-built motor produces 3,400 RPM for faster cutting in a wide range of metals including Unistrut all thread, channel, corrugated, conduit, pipe, sheet metal, square tubing, steel and more Compact, ergonomic design at 13-3/4-inches long; weighs only 5.7 lbs. for reduced operator fatigue A built-in L.E.D. light conveniently illuminates the work area Makita LXT Lithium-Ion battery and 30-Minute Rapid Optimum Charger produces 430% total lifetime work with 2.5X more cycles 3-year warranty on tool; 1-year warranty on batteries and charger.